Refill insert for a device for dispensing volatile substances



FIG. 1 is a front perspective view from above and to one side of a refill insert for a device for dispensing volatile substances showing the new design;

FIG. 2 is a front perspective view from beneath and to one side of the refill insert of FIG. 1;

FIG. 3 is a top plan view of the refill insert of FIG. 1;

FIG. 4 is a right side elevational view of the refill insert of FIG. 1, the other side being a mirror image thereof;

FIG. 5 is a front elevational view of the refill insert of FIG. 1;

FIG. 6 is a back elevational view of the refill insert of FIG. 1; and,

FIG. 7 is a bottom plan view of the refill insert of FIG. 1. 

The ornamental design for a refill insert for a device for dispensing volatile substances, as shown and described. 